Audio speaker system



FIG. 1 is a front left perspective view of an audio speaker system showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

The broken lines in the figures show portions of the audio speaker system that form no part of the claimed design. 

CLAIM The ornamental design for an audio speaker system, as shown and described. 